/*
 * TextureManager.cpp
 * This file is part of FunBall 
 *
 * Copyright (C) 2012 - Francois Berder
 *
 * FunBall is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * FunBall is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
 
 

#include "TextureManager.hpp"
#include <cassert>
#include <stdexcept>

TextureManager::TextureManager():
m_res()
{
}
TextureManager::~TextureManager()
{
}

TextureManager& TextureManager::instance()
{
    static TextureManager tm;
    return tm;
}

TexturePtr TextureManager::resource(const std::string& fileName)
{
    if(m_res.find(fileName) != m_res.end())
        return m_res[fileName];
        
    std::string path = "media/images/";
    path += fileName;
        
    loadResource(path);   
    assert(m_res.find(fileName) != m_res.end());
    
    return m_res[fileName];
}

void TextureManager::loadResource(const std::string &path)
{
    sf::Texture *i = new sf::Texture();   
    if(i->loadFromFile(path))
        m_res[path.substr(13)] = TexturePtr(i);
    
    else
    {
        delete i;
        throw std::runtime_error("Unable to load texture from path : " + path);
    }
}

